#region Copyright (c) 2006-2009 Widgetsphere LLC, All Rights Reserved
//--------------------------------------------------------------------- *
//                          Widgetsphere  LLC                           *
//             Copyright (c) 2006-2009 All Rights reserved              *
//                                                                      *
//                                                                      *
//This file and its contents are protected by United States and         *
//International copyright laws.  Unauthorized reproduction and/or       *
//distribution of all or any portion of the code contained herein       *
//is strictly prohibited and will result in severe civil and criminal   *
//penalties.  Any violations of this copyright will be prosecuted       *
//to the fullest extent possible under law.                             *
//                                                                      *
//THE SOURCE CODE CONTAINED HEREIN AND IN RELATED FILES IS PROVIDED     *
//TO THE REGISTERED DEVELOPER FOR THE PURPOSES OF EDUCATION AND         *
//TROUBLESHOOTING. UNDER NO CIRCUMSTANCES MAY ANY PORTION OF THE SOURCE *
//CODE BE DISTRIBUTED, DISCLOSED OR OTHERWISE MADE AVAILABLE TO ANY     *
//THIRD PARTY WITHOUT THE EXPRESS WRITTEN CONSENT OF WIDGETSPHERE LLC   *
//                                                                      *
//UNDER NO CIRCUMSTANCES MAY THE SOURCE CODE BE USED IN WHOLE OR IN     *
//PART, AS THE BASIS FOR CREATING A PRODUCT THAT PROVIDES THE SAME, OR  *
//SUBSTANTIALLY THE SAME, FUNCTIONALITY AS ANY WIDGETSPHERE PRODUCT.    *
//                                                                      *
//THE REGISTERED DEVELOPER ACKNOWLEDGES THAT THIS SOURCE CODE           *
//CONTAINS VALUABLE AND PROPRIETARY TRADE SECRETS OF WIDGETSPHERE,      *
//INC.  THE REGISTERED DEVELOPER AGREES TO EXPEND EVERY EFFORT TO       *
//INSURE ITS CONFIDENTIALITY.                                           *
//                                                                      *
//THE END USER LICENSE AGREEMENT (EULA) ACCOMPANYING THE PRODUCT        *
//PERMITS THE REGISTERED DEVELOPER TO REDISTRIBUTE THE PRODUCT IN       *
//EXECUTABLE FORM ONLY IN SUPPORT OF APPLICATIONS WRITTEN USING         *
//THE PRODUCT.  IT DOES NOT PROVIDE ANY RIGHTS REGARDING THE            *
//SOURCE CODE CONTAINED HEREIN.                                         *
//                                                                      *
//THIS COPYRIGHT NOTICE MAY NOT BE REMOVED FROM THIS FILE.              *
//--------------------------------------------------------------------- *
#endregion
using System;
using System.Xml;
using System.Collections;
using Widgetsphere.Generator.Common.GeneratorFramework;
using Widgetsphere.Generator.Common.Util;

namespace Widgetsphere.Generator.Models
{
  public class ColumnRelationshipCollection : BaseModelCollection
	{
		#region Member Variables
		private ArrayList _columnRelationships;
		#endregion

		#region Constructor

    public ColumnRelationshipCollection(IModelObject root)
      : base(root)
		{
			_columnRelationships = new ArrayList();
		}

		#endregion

		#region Methods

		public ColumnRelationship GetByParentField(Column column)
		{
			foreach (ColumnRelationship r in this)
			{
				Column c = (Column)r.ChildColumnRef.Object;
				if (c == column)
					return r;
			}
			return null;
		}

		public ColumnRelationship GetByChildField(Column column)
		{
			foreach (ColumnRelationship r in this)
			{
				Column c = (Column)r.ParentColumnRef.Object;
				if (c == column)
					return r;
			}
			return null;
		}

		#endregion

		#region IXMLable Members

		public override void XmlAppend(XmlNode node)
		{
			XmlDocument oDoc = node.OwnerDocument;

      foreach (ColumnRelationship columnRelationship in _columnRelationships)
			{
				XmlNode columnRelationshipNode = oDoc.CreateElement("columnRelationship"); 
				columnRelationship.XmlAppend(columnRelationshipNode);
				node.AppendChild(columnRelationshipNode);
			}
	
		}

    public override void XmlLoad(XmlNode node)
		{
      _key = XmlHelper.GetAttributeValue(node, "key", _key);
			XmlNodeList columnRelationshipNodes = node.SelectNodes("columnRelationship");
			foreach(XmlNode columnRelationshipNode in columnRelationshipNodes)
			{
				ColumnRelationship newColumnRelationship = new ColumnRelationship(this.Root);
				newColumnRelationship.XmlLoad(columnRelationshipNode);
        this.Add(newColumnRelationship);
			}

      this.Dirty = false;

		}

		#endregion

		#region IList Members
		public bool IsReadOnly
		{
			get
			{
				return _columnRelationships.IsReadOnly;
			}
		}

		public ColumnRelationship this[int index]
		{
			get
			{
				return (ColumnRelationship)_columnRelationships[index];
			}
			set
			{
				_columnRelationships[index] = value;
			}
		}

		public void RemoveAt(int index)
		{
			_columnRelationships.RemoveAt(index);
		}

		public void Insert(int index, ColumnRelationship value)
		{
			_columnRelationships.Insert(index, value);
		}

		public void Remove(ColumnRelationship value)
		{
			_columnRelationships.Remove(value);
		}

		public bool Contains(ColumnRelationship value)
		{
			return _columnRelationships.Contains(value);
		}

    public override void Clear()
		{
			_columnRelationships.Clear();
		}

		public int IndexOf(ColumnRelationship value)
		{
			return _columnRelationships.IndexOf(value);
		}

    public override void AddRange(ICollection list)
    {
      _columnRelationships.AddRange(list);
    }
    
    internal int Add(ColumnRelationship value)
		{
			return _columnRelationships.Add(value);
		}

		public bool IsFixedSize
		{
			get
			{
				return _columnRelationships.IsFixedSize;
			}
		}

		#endregion

		#region ICollection Members

    public override bool IsSynchronized
		{
			get
			{
				return _columnRelationships.IsSynchronized;
			}
		}

    public override int Count
		{
			get
			{
				return _columnRelationships.Count;
			}
		}

    public override void CopyTo(Array array, int index)
		{
			_columnRelationships.CopyTo(array, index);
		}

    public override object SyncRoot
		{
			get
			{
				return _columnRelationships.SyncRoot;
			}
		}

		#endregion

		#region IEnumerable Members

		public override IEnumerator GetEnumerator()
		{
			return _columnRelationships.GetEnumerator();
		}

		#endregion
	}
}
